CVE-2018-4398

HIGH

iPhone OS < 12.1 - Denial of Service via Prime Number Validation

Title source: llm
STIX 2.1

Description

An issue existed in the method for determining prime numbers. This issue was addressed by using pseudorandom bases for testing of primes. This issue affected versions prior to iOS 12.1, macOS Mojave 10.14.1, tvOS 12.1, watchOS 5.1, iTunes 12.9.1, iCloud for Windows 7.8.

References (6)

Core 6
Core References
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209193
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209192
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209195
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209194
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209197
Vendor Advisory x_refsource_misc
https://support.apple.com/kb/HT209198

Scores

CVSS v3 7.5
EPSS 0.0163
EPSS Percentile 73.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Details

CWE
CWE-20
Status published
Products (6)
apple/icloud < 7.8
apple/iphone_os < 12.1
apple/itunes < 12.9.1
apple/mac_os_x < 10.14.1
apple/tvos < 12.1
apple/watchos < 5.1
Published Apr 03, 2019
Tracked Since Feb 18, 2026